205523555452 has 6 divisors (see below), whose sum is σ = 359666222048. Its totient is φ = 102761777724.

The previous prime is 205523555443. The next prime is 205523555459. The reversal of 205523555452 is 254555325502.

It is a junction number, because it is equal to n+sod(n) for n = 205523555399 and 205523555408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205523555459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25690444428 + ... + 25690444435.

Almost surely, 2^205523555452 is an apocalyptic number.

It is an amenable number.

205523555452 is a deficient number, since it is larger than the sum of its proper divisors (154142666596).

205523555452 is a wasteful number, since it uses less digits than its factorization.

205523555452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51380888867 (or 51380888865 counting only the distinct ones).

The product of its (nonzero) digits is 1500000, while the sum is 43.

The spelling of 205523555452 in words is "two hundred five billion, five hundred twenty-three million, five hundred fifty-five thousand, four hundred fifty-two".